DG202CJ Intersil, DG202CJ Datasheet - Page 4

• Manufacturer Part Number: DG202CJ
• Description: Analog Switch / Multiplexer (Mux) IC
• Manufacturer: Intersil

Specifications of DG202CJ

• No. Of Channels: 4
• On Resistance, Rds(on): 200ohm

Test Circuits and Waveforms
NOTES:
t
OUTPUT
†
t
LOGIC
SWITCH
SWITCH
r
f
6.
7. The error in coulombs is Q = C
C = 0.001 F||0.1 F
Chip Capacitors
Logic shown for DG201A, invert for DG202.
< 20ns
< 20ns
GENERATOR
INPUT
INPUT
ANALYZER
V
S
SIGNAL
CHAN A
CHAN B
V
†
O
= Measured voltage error due to charge injection.
V
3V
S
FIGURE 3. OFF ISOLATION TEST CIRCUIT
V
S
R
S
R
L
t
50%
ON
S
LOGIC “0” = SWITCH ON
X
FIGURE 1. t
C
FIGURE 2. CHARGE INJECTION TEST CIRCUIT AND MEASUREMENT POINTS
V
90%
V
4-4
+15V
S
GND
D
V+
L
IN
D
x V
X
X
ON
O
-15V
OIRR
.
AND t
V-
IN
C
t
OFF
=
L
X
OFF
= 1nF
C
20 Log
SWITCHING TEST CIRCUIT AND MEASUREMENT POINTS
V
90%
O
V S
------- -
V D
DG201A, DG202
V
IN
OUTPUT
SWITCH
V
O
SWITCH
LOGIC
INPUT
IN
INPUT
V
= V
S
X
= 2V
C = 0.001 F||0.1 F
Chip Capacitors
S
GENERATOR
ANALYZER
FIGURE 4. CHANNEL TO CHANNEL CROSSTALK TEST
V
R
SIGNAL
S
IN
S
CHAN A
CHAN B
L
1
1
ON
+ r
R
DS(ON)
L
GND
CIRCUIT
R
L
2.4V
0V,
-15V
15V
C
3
OFF
V-
V+
V
IN
V
+15V
S1
GND
D2
1
V+
D
1
(REPEAT TEST FOR
IN
2
, IN
CCRR
-15V
R
1k
3
L
AND IN
V-
V
V
IN
S2
D1
=
2
ON
20 Log
C
4
OUTPUT
)
SWITCH
C
35pF
V
L
O
0V, 2.4V
V
50
-----------
V D
V S
O
1
2
NC